问题
选择题
The students like to go _____ a trip _____ spring.[ ]
A. on; on
B. in; on
C. to; in
D. on; in
答案
答案：D
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The students like to go _____ a trip _____ spring.[ ]
A. on; on
B. in; on
C. to; in
D. on; in
答案：D